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Finding the Fourth Proportional to 224,657.28, 336,984.96 and 91,507.84

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Solution

The fourth proportional to 224,657.28, 336,984.96 and 91,507.84 is: 137,261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,657.28 : 336,984.96 = 91,507.84 : x
  2. Step 2: Convert to fraction form
    224,657.28/336,984.96 = 91,507.84/x
  3. Step 3: Cross multiply
    224,657.28x = 336,984.96 × 91,507.84
  4. Step 4: Simplify right side
    224,657.28x = 30,836,765,802.09
  5. Step 5: Solve for x
    x = 30,836,765,802.09/224,657.28
  6. Step 6: Final answer
    x = 137,261.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.